Model Comparison

GPT-5.1 Medium vs Nova Micro

Comparing GPT-5.1 Medium and Nova Micro across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

GPT-5.1 Medium and Nova Micro don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Nova Micro costs less

For input processing, GPT-5.1 Medium ($1.25/1M tokens) is 41.7x more expensive than Nova Micro ($0.03/1M tokens).

For output processing, GPT-5.1 Medium ($10.00/1M tokens) is 71.4x more expensive than Nova Micro ($0.14/1M tokens).

In conclusion, GPT-5.1 Medium is more expensive than Nova Micro.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Thu Apr 16 2026 • llm-stats.com
OpenAI
GPT-5.1 Medium
Input tokens$1.25
Output tokens$10.00
Best providerOpenAI
Amazon
Nova Micro
Input tokens$0.03
Output tokens$0.14
Best providerAWS Bedrock
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

GPT-5.1 Medium accepts 400,000 input tokens compared to Nova Micro's 128,000 tokens. Both models can generate responses up to 128,000 tokens.

OpenAI
GPT-5.1 Medium
Input400,000 tokens
Output128,000 tokens
Amazon
Nova Micro
Input128,000 tokens
Output128,000 tokens
Thu Apr 16 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

GPT-5.1 Medium supports multimodal inputs, whereas Nova Micro does not.

GPT-5.1 Medium can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT-5.1 Medium

Text
Images
Audio
Video

Nova Micro

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

GPT-5.1 Medium

Proprietary

Closed source

Nova Micro

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-5.1 Medium was released on 2025-11-12, while Nova Micro was released on 2024-11-20.

GPT-5.1 Medium is 12 months newer than Nova Micro.

GPT-5.1 Medium

Nov 12, 2025

5 months ago

11mo newer
Nova Micro

Nov 20, 2024

1.4 years ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

GPT-5.1 Medium is available from OpenAI. Nova Micro is available from Bedrock.

GPT-5.1 Medium

openai logo
OpenAI
Input Price:Input: $1.25/1MOutput Price:Output: $10.00/1M

Nova Micro

bedrock logo
AWS Bedrock
Input Price:Input: $0.03/1MOutput Price:Output: $0.14/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

OpenAI
Larger context window (400,000 tokens)
Supports multimodal inputs
Amazon
Less expensive input tokens
Less expensive output tokens

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-5.1 Medium
Amazon
Nova Micro

FAQ

Common questions about GPT-5.1 Medium vs Nova Micro

GPT-5.1 Medium (OpenAI) and Nova Micro (Amazon) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.
GPT-5.1 Medium scores AIME 2025: 98.4%. Nova Micro scores GSM8k: 92.3%, ARC-C: 90.2%, Translation Set1→en COMET22: 88.7%, Translation en→Set1 COMET22: 88.5%, IFEval: 87.2%.
Nova Micro is 41.7x cheaper for input tokens. GPT-5.1 Medium costs $1.25/M input and $10.00/M output via openai. Nova Micro costs $0.03/M input and $0.14/M output via bedrock.
GPT-5.1 Medium supports 400K tokens and Nova Micro supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (400K vs 128K), input pricing ($1.25 vs $0.03/M), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.
GPT-5.1 Medium is developed by OpenAI and Nova Micro is developed by Amazon.